chore: release 2.6.0 (googleapis#198)

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chore: release 2.5.0 (googleapis#193)

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chore: release 2.4.2 (googleapis#185)

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chore: release 2.4.1 (googleapis#164)

🤖 I have created a release \*beep\* \*boop\*
---
### [2.4.1](https://www.github.com/googleapis/python-containeranalysis/compare/v2.4.0...v2.4.1) (2021-07-26)


### Bug Fixes

* **deps:** pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions ([googleapis#156](https://www.github.com/googleapis/python-containeranalysis/issues/156)) ([e1ff96f](https://www.github.com/googleapis/python-containeranalysis/commit/e1ff96faa545e22358b5a0d62e005ca9dfac0105))
* enable self signed jwt for grpc ([googleapis#162](https://www.github.com/googleapis/python-containeranalysis/issues/162)) ([071eac6](https://www.github.com/googleapis/python-containeranalysis/commit/071eac6c5c0e6b0f48b75db3f2257f174dd7cbe4))


### Documentation

* add Samples section to CONTRIBUTING.rst ([googleapis#157](https://www.github.com/googleapis/python-containeranalysis/issues/157)) ([16f4eff](https://www.github.com/googleapis/python-containeranalysis/commit/16f4eff9cdf2e5122d623eb05c1e155062822f12))


### Miscellaneous Chores

* release 2.4.1 ([googleapis#163](https://www.github.com/googleapis/python-containeranalysis/issues/163)) ([c49ad98](https://www.github.com/googleapis/python-containeranalysis/commit/c49ad9854b4ce1f3a6a28ec4035d5b0edb390cfd))
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

chore: release 2.4.0 (googleapis#148)

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chore: release 2.3.0 (googleapis#134)

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chore: release 2.2.3 (googleapis#109)

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chore: release 2.2.2 (googleapis#105)

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chore: release 2.2.1 (googleapis#90)

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chore: release 2.2.0 (googleapis#75)

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